US 20 WB over Cedar Creek
GoodSac County, Iowa · 2.5 Mi. E of SR N14 · Structure no. 000000000700105
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 306 ft
- 3 main spans
- Daily traffic
- 2,950
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 WB over Cedar Creek is a prestressed concrete stringer/multi-beam or girder carrying US 20 WB over Cedar Creek in Sac County, Iowa. It was built in 2012, so it is 13 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,950 vehicles a day, roughly 35% of them trucks, projected to reach 2,950 by 2044. The structure is 306 ft (93.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 WB over Cedar Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is US 20 WB over Cedar Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does US 20 WB over Cedar Creek carry?
About 2,950 vehicles per day (2022 count), of which roughly 35% are trucks.
How long is US 20 WB over Cedar Creek?
The structure is 306 ft (93.3 m) long with a longest span of 110 ft (33.5 m) and a deck 44 ft wide.
Who owns US 20 WB over Cedar Creek?
It is owned by the State Highway Agency.